..:: Source code - 051null_comparison.js ::..

/**
 * comparison of null and empty string
 */

console.log(Boolean('' == null)); //false
console.log(Boolean('' === null)); //false
console.log(Boolean(0 === null)); //false
console.log(Boolean({} === null)); //false
console.log(Boolean({} == null)); //false

console.log('--------------');

var x = null;
if (!x) {
 console.log('x is null');
} else {
 console.log('x is not null');
}

..:: NodeJS Console - 051null_comparison.js ::..

false
false
false
false
false
--------------
x is null

$ps -aux | grep node (list all node processes)
sasa        1208  0.3  0.4 1309696 75064 ?       Ssl   2025 1481:32 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1236  0.5  0.6 11821764 99868 ?      Ssl   2025 2339:25 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa        1257  0.3  0.4 1307492 73772 ?       Ssl   2025 1499:39 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1289  0.3  0.4 1301520 69648 ?       Ssl   2025 1477:26 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1363  4.2  3.5 12286876 583416 ?     Ssl   2025 18876:40 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1886  7.2  3.7 12274044 608992 ?     Ssl   2025 31873:58 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa     1214480  0.3  0.7 22311168 124252 ?     Ssl   2025 1271:46 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214483  0.3  0.4 1101824 65856 ?       Ssl   2025 1164:12 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214536  0.3  0.4 1101060 66032 ?       Ssl   2025 1162:36 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214544  0.3  0.4 1102824 66220 ?       Ssl   2025 1172:04 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214588  0.3  0.3 1102340 65516 ?       Ssl   2025 1165:59 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214617  0.3  0.4 1102208 66956 ?       Ssl   2025 1161:55 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214641  0.3  0.3 1166184 64092 ?       Ssl   2025 1153:22 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214671  0.3  0.3 1100128 64260 ?       Ssl   2025 1147:51 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1215731  0.8  0.7 11845564 123492 ?     Ssl   2025 2875:19 node /home/sasa/dex8/dex8-api/starter.js
sasa     1216489  0.3  0.4 1102328 65896 ?       Ssl   2025 1162:19 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1399960  0.8  0.7 11828832 128068 ?     Ssl  Apr20 1611:40 node /home/sasa/dex8/dex8-www/server/index.js
sasa     1631573  0.4  0.6 1322736 99320 ?       Ssl  May31 614:28 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa     1824679  0.4  0.5 11798592 83212 ?      Ssl  Aug15  79:15 node /home/sasa/kriptus/kriptus-panel/server/index.js
sasa     2448036  1.1  0.9 11892420 159280 ?     Ssl  Aug21 100:47 node /home/sasa/miko/miko-hr/server/index.js
sasa     2628167  0.7  0.7 1178588 130332 ?      Ssl   2025 3381:14 node /home/sasa/voovuu/voovuu-api/starter.js
sasa     2663246  2.8  0.7 11842436 118936 ?     Ssl  Aug23 176:34 node /home/sasa/kriptus/kriptus-api/starter.js
sasa     2951826  0.3  0.6 22297716 101196 ?     Ssl  Aug26   8:35 node /home/sasa/dex8/dex8-worker/starter.js
sasa     3137172  0.5  0.4 1262180 81456 ?       Ssl  17:20   1:32 node /home/sasa/miko/miko-hr/api/starter.js
www-data 3162682  0.0  0.0   2608   524 ?        S    21:58   0:00 sh -c ps -aux | grep node
www-data 3162684  0.0  0.0   3304   712 ?        S    21:58   0:00 grep node
sasa     3168557  0.6  0.6 11850372 112668 ?     Ssl   2025 2610:08 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa     3169051  0.5  0.5 11799488 83748 ?      Ssl   2025 2145:55 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa     3264954  0.6  0.5 1332424 85936 ?       Ssl  Feb21 1875:22 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js